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旋转对称的小型圆极化微带天线研究

摘要第6-11页
Chapter1. Introduction第11-22页
    1.1 Background and Significance of the Research第11-12页
    1.2 Development and status of circularly polarized antennas第12-20页
        1.2.1 Single fed circularly polarized antenna第12-18页
        1.2.2 Dual feed circularly polarized antenna第18-20页
    1.3 Construction of the thesis第20-22页
Chapter2. Principle of Circularly Polarized Antenna第22-50页
    2.1 Antenna contents第22-24页
        2.1.1 Antenna第22页
        2.1.2 Bandwidth第22-23页
        2.1.3 Gain第23页
        2.1.4 Efficiency第23页
        2.1.5 Impedance第23-24页
        2.1.6 Axial Ratio (AR)第24页
    2.2 Microstrip patch antenna第24-29页
        2.2.1 Metallic Patch第27页
        2.2.2 Dielectric Substrate第27页
        2.2.3 The ground第27-28页
        2.2.4 Characteristics of microstrip patch antenna第28-29页
    2.3 Circularly polarized microstrip antenna第29-33页
        2.3.1 Advantages of circular polarization第30-31页
        2.3.2 Single-feeding circularly polarized MSA第31-32页
        2.3.3 Dual-feeding circularly polarized MSA[25, 26]第32-33页
    2.4 Feeding Methods第33-36页
        2.4.1 Microstrip feeding line第33-34页
        2.4.2 Coaxial feeding第34-35页
        2.4.3 Aperture coupling第35-36页
        2.4.4 Proximity coupling第36页
    2.5 Methods of analysis第36-43页
        2.5.1 Analytical method, cavity model第37-38页
        2.5.2 Numerical methods第38-43页
    2.6 Commercial software第43-45页
        2.6.1 HFSS Antenna Design第43-44页
        2.6.2 CST Microwave Studio第44-45页
    2.7 Measurement methods to CP antenna第45-49页
        2.7.1 S11 / VSWR第46-48页
        2.7.2 CP Pattern第48页
        2.7.3 Axial Ratio (AR)第48页
        2.7.4 CP gain第48-49页
    2.8 Summary第49-50页
Chapter3. Circularly Polarized Antenna with 4-L slots第50-71页
    3.1 Introduction第50页
    3.2 Basic truncated edges CP antenna: Ant.1第50-53页
        3.2.1 Structure第50-51页
        3.2.2 Characteristics and performance第51-53页
    3.3 Improved CP antenna: Ant.2第53-62页
        3.3.1 Structure第53-55页
        3.3.2 Characteristics and performance第55-59页
        3.3.3 Comparing Ant.1 and Ant.2第59-62页
    3.4 Improved CP antenna: Ant.3第62-70页
        3.4.1 Structure第62-64页
        3.4.2 Characteristics and performance第64-68页
        3.4.3 Comparing Ant.1, Ant.2 and Ant.3第68-70页
    3.5 Summary第70-71页
Chapter4. Circularly Polarized antenna with Swastika Slot第71-91页
    4.1 Introduction第71-72页
    4.2 Basic truncated edges CP antenna: Ant.1第72-74页
        4.2.1 Structure第72页
        4.2.2 Characteristics and performance第72-74页
    4.3 Improved CP antenna: Ant.2第74-79页
        4.3.1 Structure第74-75页
        4.3.2 Characteristics and performance第75-77页
        4.3.3 Comparing Ant.1 and Ant.2第77-79页
    4.4 Improved CP antenna: Ant.3第79-84页
        4.4.1 Structure第79-80页
        4.4.2 Characteristics and performance第80-82页
        4.4.3 Comparing Ant.1, Ant.2 and Ant.3第82-84页
    4.5 The fabricated antennas第84-85页
    4.6 Measured results and discussion第85-89页
        4.6.1 Impedance matching bandwidth第85-86页
        4.6.2 Axial ratio and CP bandwidth第86-87页
        4.6.3 Far field patterns第87-88页
        4.6.4 Gain第88-89页
    4.7 Summary第89-91页
Chapter5. Conclusion第91-93页
    5.1 Conclusion第91-92页
    5.2 Further work第92-93页
REFERENCES第93-97页
Acknowledgement第97-98页
Papers Published or Accepted During the Master’s Degree第98-100页
附件第100-102页

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